Markham, On Senior software engineer (python + distributed systems) Jobs – 82 Openings This Week

Senior Full Stack Developer
CoLab Software —Toronto, ON
- Full-time
- Remote
- Java
- JavaScript
- APIs
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Sr Guidewire Developer -PolicyCenter
Aviva —Markham, ON
- $110,000–$130,000 a year
- Hybrid work
- Computer Science
- Engineering
- Maintenance
Senior Software Developer, Developer Experience (DevX)
Robinhood —Toronto, ON
- $166,000–$195,000 a year
- In-person
- Python
- Office experience
- Designated paid holidays
- Paid time off
1d
Senior Backend Developer, Campaigns Team
Movable Ink —Toronto, ON
- $140,000–$180,000 a year
- On call
- Azure
- AWS
- APIs
Quick apply
2d
Senior DevOps Engineer
Lush Handmade Cosmetics —Toronto, ON
- $91,000–$99,000 a year
- Full-time
- Hybrid work
- DevOps
- Databases
- Scripting
Quick apply
Sr. Quality Assurance Developer (Performance Testing)
OpenText —Richmond Hill, ON
- $81,600–$122,400 a year
- Java
- Analysis skills
- Scripting
- Paid time off
Sr. Software Engineer, Backend
Pinterest —Toronto, ON
- Hybrid work
- Computer science
- Computer Science
- Java
Full Stack Software Engineer, AutoSync
AutoTrader.ca —Toronto, ON
- $100,000–$120,000 a year
- Databases
- AWS
- Continuous improvement
- Employee assistance program

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Senior Cloud Data Platform Engineer
Questrade Financial Group —Toronto, ON
Identify, design, and implement internal process improvements: automating manual processes, implementing data governance rules, re-designing infrastructure for…
$130,000–$150,000 a year
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1d
Sr Guidewire Developer -PolicyCenter
Aviva —Markham, ON
As part of our Software Engineering Group, you will be working with globally distributed teams, including business representatives, business analysts,…
$110,000–$130,000 a year

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Senior Full Stack Developer

CoLab Software
Toronto, ON

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Job details

Permanent | Full-time

Qualifications

CSS
Relational databases
C#
NoSQL
Git
Java
C
Release management
JavaScript
PostgreSQL
Distributed systems
APIs
DynamoDB
SaaS
TypeScript
Python
HTML
MySQL

Full job description

About CoLab

At CoLab, we help mechanical engineering teams bring life-changing products to market years sooner.

We build AI for engineers designing cars, medical devices, and jet engines. Products this complex aren't sketched and sent to production. Teams spend months on iterations, reviews, and tests, predicting how every part performs before anything is built. CoLab is where those reviews happen, and we capture the rationale behind every change. Other tools show what changed between versions. Only CoLab knows why. That's how our AI helps manufacturers like Bobcat, Triumph Motorcycles, and GE Appliances make better decisions, eliminate rework cycles, and get to market faster.

Proudly based in St. John's, Newfoundland, CoLab started with one customer in 2018. Since then we've raised a $72M Series C, been named the 57th fastest growing company in North America by Deloitte (Fast 500™), signed multi-year AI partnerships with companies like Bombardier, and grown to a team of 250+.

About the Role:

Mechanical engineering teams rely on a complex ecosystem of CAD, PLM, and enterprise systems to design, review, and manufacture products. At CoLab, we're building software that fits naturally into those workflows.

As a Senior Full Stack Developer, you'll play a key role in making that possible. You'll build the integrations and platform capabilities that connect CoLab with the systems our customers use every day, helping engineering organizations review designs faster, collaborate more effectively, and make better decisions throughout the Mechanical Engineering Lifecycle.

This role is a great fit for someone who enjoys solving technically challenging integration problems. Ideally you've spent your career building web applications and focused within heavy integrations.

You'll work closely with Product, Design, Customer Success, and fellow engineers to translate real customer challenges into scalable software. One week you might be improving how CoLab integrates with a CAD application. The next, you could be investigating a complex customer workflow spanning PLM, ERP, and engineering data to eliminate friction for thousands of engineers.

Job Responsibilities

Understand complex customer problems and requirements and work in a team to build a solution that adds value for the customer and the product as a whole
Collaborate with other team members to design and plan complex scopes of work from product requirements and UI/UX designs
Develop, test, and ship critical user-facing features on a regular basis
Develop, test, and maintain robust and scalable APIs.
Participate in code reviews and help your team deliver high-quality software
Champion all aspects of the user's experience, with a focus on clarity and speed
Contribute to tech technology direction and best practices
Mentor, support, and be an information source to junior developers

Qualifications

8+ years of professional, hands-on development experience
Experience working on SaaS, large-scale distributed systems
Consistent track record of building and maintaining highly scalable products
Proficient with Java and / or C#
Experience with version control, release management, and CI/CD workflows
Exposure to Javascript/Typescript, Python, HTML and CSS is considered an asset
Experience with front-end build, package-management & testing tools such as Webpack, NPM, Jest, Cypress, etc
Experience writing robust automated tests, including unit and integration tests using Jest, as well as end-to-end (E2E) tests using Cypress or Playwright.
Hands-on experience with relational databases (e.g., PostgreSQL, MySQL), NoSQL databases (e.g.: DynamoDB) and querying frameworks/APIs.
Experience with Git workflow (pull requests, code reviews)
Passion for working in teams with emphasis on respect and continuous improvement
Willingness to raise your hand when you see something could be done / built better

Extra Details

Compensation: This is a full-time, permanent position with an attractive compensation package that includes a stock options package.
Benefits: This role offers an extended health and benefits package that includes unlimited paid vacation and RRSP matching.
Remote/Hybrid Work: Our main office location is in St. John's, NL where we offer hybrid and remote opportunities. This role has the flexibility to work from anywhere within Canada.

Frequently cited statistics show that people who identify with historically marginalized groups are likely to apply to jobs only if they meet 100% of the qualifications. We encourage you to help us break that statistic and apply even if you don't meet every single qualification—your potential is what matters most to us.

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senior software engineer (python + distributed systems) jobs in markham, on

Senior Full Stack Developer

Sr Guidewire Developer -PolicyCenter

Senior Software Developer, Developer Experience (DevX)

Senior Backend Developer, Campaigns Team

Senior DevOps Engineer

Sr. Quality Assurance Developer (Performance Testing)

Sr. Software Engineer, Backend

Full Stack Software Engineer, AutoSync

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